#!/bin/bash
# This program will show the user's choice

read -p "Please input(Y/N):" yn

if [ "$yn" == "Y" -o "$yn" == "y" ]; then
    echo "OK, continue" 
    exit 0
fi

if [ "$yn" == "N" -o "$yn" == "n" ]; then
    echo "OK, interrupt!"
    exit 0
fi

echo "I don't know what is your choice" && exit 0
